The National Treasury Management Agency said it is planning to hold two bond auctions during the third quarter.
The first of these auctions will be held on Thursday 8 July and the second on Thursday 9 September
The NTMA has so far raised €13.25 billion in bond sales this year.
It plans to borrow between €16 billion and €20 billion this year to fund state spending to tackle the Covid-19 crisis.
The NTMA also said it would hold three Treasury Bill auctions in the third quarter. These will be held on Thursday 15 July, Thursday 19 August and Thursday 16 September.
Details will be announced on the Monday before each auction, it added.